<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Filter
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: LocalizedToNormalized.php 23775 2011-03-01 17:25:24Z ralph $
 */

/**
 * @see Zend_Filter_Interface
 */
require_once 'Zend/Filter/Interface.php';

/**
 * @see Zend_Loader
 */
require_once 'Zend/Locale/Format.php';

/**
 * Normalizes given localized input
 *
 * @category   Zend
 * @package    Zend_Filter
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Filter_LocalizedToNormalized implements Zend_Filter_Interface {
	/**
	 * Set options
	 * @var array
	 */
	protected $_options = array ('locale' => null, 'date_format' => null, 'precision' => null );
	
	/**
	 * Class constructor
	 *
	 * @param string|Zend_Locale $locale (Optional) Locale to set
	 */
	public function __construct($options = null) {
		if ($options instanceof Zend_Config) {
			$options = $options->toArray ();
		}
		
		if (null !== $options) {
			$this->setOptions ( $options );
		}
	}
	
	/**
	 * Returns the set options
	 *
	 * @return array
	 */
	public function getOptions() {
		return $this->_options;
	}
	
	/**
	 * Sets options to use
	 *
	 * @param  array $options (Optional) Options to use
	 * @return Zend_Filter_LocalizedToNormalized
	 */
	public function setOptions(array $options = null) {
		$this->_options = $options + $this->_options;
		return $this;
	}
	
	/**
	 * Defined by Zend_Filter_Interface
	 *
	 * Normalizes the given input
	 *
	 * @param  string $value Value to normalized
	 * @return string|array The normalized value
	 */
	public function filter($value) {
		if (Zend_Locale_Format::isNumber ( $value, $this->_options )) {
			return Zend_Locale_Format::getNumber ( $value, $this->_options );
		} else if (($this->_options ['date_format'] === null) && (strpos ( $value, ':' ) !== false)) {
			// Special case, no date format specified, detect time input
			return Zend_Locale_Format::getTime ( $value, $this->_options );
		} else if (Zend_Locale_Format::checkDateFormat ( $value, $this->_options )) {
			// Detect date or time input
			return Zend_Locale_Format::getDate ( $value, $this->_options );
		}
		
		return $value;
	}
}
